Fatal error: Uncaught Error: Call to undefined function wc_get_product() in /htdocs/wp-content/plugins/kadu-plugin/inc/helper.php:370 Stack trace: #0 /htdocs/wp-content/plugins/kadu-plugin/elementor/widgets/view/course/course-1.php(33): get_woocommerce_course_price('1699') #1 /htdocs/wp-content/plugins/kadu-plugin/elementor/widgets/course.php(262): require('/htdocs/wp-cont...') #2 /htdocs/wp-content/plugins/elementor/includes/base/controls-stack.php(2325): Elementor\Kadu_Course->render() #3 /htdocs/wp-content/plugins/elementor/includes/base/widget-base.php(635): Elementor\Controls_Stack->render_by_mode() #4 /htdocs/wp-content/plugins/elementor/includes/base/widget-base.php(776): Elementor\Widget_Base->render_content() #5 /htdocs/wp-content/plugins/elementor/includes/base/element-base.php(483): Elementor\Widget_Base->print_content() #6 /htdocs/wp-content/plugins/elementor/modules/element-cache/module.php(73): Elementor\Element_Base->print_element() #7 /htdocs/wp-includes/shortcodes.php(434): Elementor\Modules\ElementCache\Module->Elementor\Modules\ElementCache\{closure}(Array, '', 'elementor-eleme...') #8 [internal function]: do_shortcode_tag(Array) #9 /htdocs/wp-includes/shortcodes.php(273): preg_replace_callback('/\\[(\\[?)(elemen...', 'do_shortcode_ta...', '\t\t<section clas...') #10 /htdocs/wp-content/plugins/elementor/core/base/document.php(1856): do_shortcode('\t\t<section clas...') #11 /htdocs/wp-content/plugins/elementor/core/base/document.php(1201): Elementor\Core\Base\Document->print_elements(Array) #12 /htdocs/wp-content/plugins/elementor/includes/frontend.php(1158): Elementor\Core\Base\Document->print_elements_with_wrapper(Array) #13 /htdocs/wp-content/plugins/elementor/includes/frontend.php(1053): Elementor\Frontend->get_builder_content(2266) #14 /htdocs/wp-includes/class-wp-hook.php(324): Elementor\Frontend->apply_builder_in_content('<h6>\n ...') #15 /htdocs/wp-includes/plugin.php(205): WP_Hook->apply_filters('<h6>\n ...', Array) #16 /htdocs/wp-includes/post-template.php(256): apply_filters('the_content', '<h6>\n ...') #17 /htdocs/wp-content/plugins/elementor/modules/page-templates/module.php(190): the_content() #18 [internal function]: Elementor\Modules\PageTemplates\Module->print_callback() #19 /htdocs/wp-content/plugins/elementor/modules/page-templates/module.php(207): call_user_func(Array) #20 /htdocs/wp-content/plugins/elementor/modules/page-templates/templates/header-footer.php(19): Elementor\Modules\PageTemplates\Module->print_content() #21 /htdocs/wp-includes/template-loader.php(106): include('/htdocs/wp-cont...') #22 /htdocs/wp-blog-header.php(19): require_once('/htdocs/wp-incl...') #23 /htdocs/index.php(17): require('/htdocs/wp-blog...') #24 {main} thrown in /htdocs/wp-content/plugins/kadu-plugin/inc/helper.php on line 370